BS EN 10269 1999
철 및 니켈합금 체결구 저온특성 시험 방법
Steels and nickel alloys for fasteners with specified elevated and / or low temperature properties.
철 및 니켈합금 체결구 저온특성 시험 방법
Steels and nickel alloys for fasteners with specified elevated and / or low temperature properties.
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